操作箱是轻型高压试验变压器的配套设备。其性能优越，功能多，体积小，重量轻，具有使用可靠，外观美观，操作维修方便等特点。
操作箱的作用是用来完成保护、断控单元、测控单元、断路器辅助装置对断路器跳合闸操作的装置。
Relay box is an operational device to tripping and closing of breaker instructed by protection, breaker controlling unit, monitor unit, and auxiliary device of breaker.
但是，Mingwin 拥有丰富的工具箱，其中包含健壮的实用程序，可以执行基本的开发操作：编译、链接等等。
Instead, Mingwin's rich toolchest of robust utilities performs basic development operations: compilation, linking, and so on.
如果恢复功能实现正确，整个系统只会有一个破坏性的操作：清空垃圾箱。
If undo is implemented correctly, then there's only one destructive operation in the entire system: emptying the Recycle Bin.
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